Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/MD/REID

Reid ZIP codes, Maryland

No ZIP code is named for Reid, MD; addresses there use a neighbouring town's name. The ZIP code covering it is 21742. Its area codes are 240, 301 and 227.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
120
Area codes
240, 301, 227

NANPA lists no telephone rate centre for Reid itself, so these are the area codes of the nearest one, Hagerstown (0.0 miles). A town on an area-code boundary can differ from its neighbour.

ZIP codes covering Reid

These ZIP codes cover part of Reid but are addressed as somewhere else.

ZIP codes overlapping Reid
ZIP City Type Population Median income Median home
21742 Hagerstown , MD Standard 34,069 $86,288 $304,800

Map of Reid ZIP codes

The ZIP codes of Reid, MD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Reid

The nearest larger towns are Paramount-Long Meadow (2,569 people, 2.4 mi), Fountainhead-Orchard Hills (6,567 people, 2.6 mi) and State Line, PA (3,111 people, 2.8 mi).

Towns near Reid
TownPopulationDistance
Paramount-Long Meadow 2,569 2.4 mi
Fountainhead-Orchard Hills 6,567 2.6 mi
State Line, PA 3,111 2.8 mi
Maugansville 3,624 3.8 mi
Hagerstown 43,665 5.5 mi
Waynesboro, PA 11,047 5.8 mi
Greencastle, PA 4,222 6.0 mi
Robinwood 8,042 6.0 mi
Smithsburg 3,115 6.6 mi
Wayne Heights, PA 3,293 7.6 mi
Halfway 10,849 8.3 mi
St. James 4,824 10.3 mi
Boonsboro 3,809 14.0 mi
Guilford, PA 3,919 14.8 mi

More nearby: every ZIP code in Washington County · Maryland ZIP codes

Cite this page

zipcodes.pro. “Reid, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/reid

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